staging: wilc1000: fix return type of host_int_set_mac_chnl_num

This patch changes return type of host_int_set_mac_chnl_num from s32 to
int. s32Error gets return value from wilc_mq_send function that
has return type of int. It should be changed return type of
host_int_set_mac_chnl_num function by int as well as data type of
s32Error.

Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index 2cf82b2..c635b84 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -5315,9 +5315,9 @@
  *  @date		8 March 2012
  *  @version		1.0
  */
-s32 host_int_set_mac_chnl_num(tstrWILC_WFIDrv *hWFIDrv, u8 u8ChNum)
+int host_int_set_mac_chnl_num(tstrWILC_WFIDrv *hWFIDrv, u8 u8ChNum)
 {
-	s32 s32Error = 0;
+	int s32Error = 0;
 	tstrWILC_WFIDrv *pstrWFIDrv = (tstrWILC_WFIDrv *)hWFIDrv;
 	struct host_if_msg msg;
 
diff --git a/drivers/staging/wilc1000/host_interface.h b/drivers/staging/wilc1000/host_interface.h
index fb5cb8a..8bbb59e 100644
--- a/drivers/staging/wilc1000/host_interface.h
+++ b/drivers/staging/wilc1000/host_interface.h
@@ -819,7 +819,7 @@
  *  @date		8 March 2012
  *  @version		1.0
  */
-s32 host_int_set_mac_chnl_num(tstrWILC_WFIDrv *hWFIDrv, u8 u8ChNum);
+int host_int_set_mac_chnl_num(tstrWILC_WFIDrv *hWFIDrv, u8 u8ChNum);
 
 /**
  *  @brief              gets the current channel index